Former President Barack Obama and his wife Michelle stand with President Donald Trump and first lady Melania Trump during a departure ceremony on the East Front of the U.S. Capitol in Washington, Friday, Jan. 20, 2017, after Trump was inaugurated.

President Donald Trump and first lady Melania Trump along with Vice President Mike Pence and his wife Karen wave to former President Barack Obama during a departure ceremony on the East Front of the U.S. Capitol in Washington.

Donal Trump Jr., wife Vanessa Trump, and their children Donald Trump III, left, and Kai Trump, right, walk out together after attending church service at St. John's Episcopal Church across from the White House in Washington, Friday, Jan. 20, 2017.

Show Caption ( + ) U.S. President Donald Trump takes the oath of office as his wife Melania holds the bible and his children Barron, Ivanka, Eric and Tiffany watch as U.S. Supreme Court Chief Justice John Roberts . Hide Caption ( - )

Photograph by Pool

Show Caption ( + ) President Elect Donald Trump's children Barron Trump (L), Tiffany Trump and Eric Trump arrive on the West Front of the U.S. Capitol on January 20, 2017 in Washington, DC. In today's inauguration ceremony Donald J. Trump. Hide Caption ( - )

Photograph by Joe Raedle

Show Caption ( + ) President Barack Obama waves as he leaves the Oval Office of the White House in Washington, Friday, Jan. 20, 2017, before the start of presidential inaugural festivities for the incoming 45th President of the United States Donald Trump. (AP Photo/Evan Vucci) Hide Caption ( - )